To get free stickers by mail simply send a self-addressed, stamped envelope (address a blank envelope to yourself, put a stamp on it, and put it in another envelope which you mail to us) to:
455 Irwin St. Unit 104
San Francisco, CA 94107
Please allow 2-3 weeks to receive your free stickers back in the mail. We are sorry, but we are only able to provide free stickers through the mail inside the U.S.